Math Problem Statement
Matthew was given a gift card for a coffee shop. Each morning, Matthew uses the card to buy one cup of coffee. Each cup of coffee costs $4 and after buying 3 cups of coffee, the card had a $8 remaining balance. Write an equation for A, commaA, in terms of x, commax, representing the amount money remaining on the card after buying xx cups of coffee.
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Algebra
Formulas
A = B - 4x
Theorems
-
Suitable Grade Level
Grades 6-8
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